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As mentioned by @bangerth in #17117:
```
/scratch/dealii/tests/multigrid-global-coarsening/multigrid_util.h(223): error: no instance of overloaded function "dealii::FEEvaluation::submit_value [with …
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### Problem
When multigrid is enabled, the screenchar/screenstring functions do not return the correct data. See https://github.com/neovide/neovide/issues/2569 for the original report.
### Steps to …
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The [pmg-dolfinx](https://github.com/Wells-Group/pmg-dolfinx/), implementing $p$-multigrid, project could be very interesting for the geometric multigrid implementation.
1. Data object? How are the t…
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And write a test that compares the convergence of jacobi with our multigrid
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### Problem
`getmousepos()` has several problems when multigrid is enabled.
1. An unfocusable floating window gives a `winid` of 0
2. A window border also gives `winid` 0, but I think I saw sligh…
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I am attempting to implement AmgX's algebraic multigrid preconditioner in Petsc. When I include the following optional database keys
-pc_amgx_amg_method CLASSICAL
I encounter the following error…
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## Bug Report
I'm unable to reproduce in Sandbox, probably because it's not using WebPack.
### What is the current behavior?
When Grid calls _inherit() from babel, the subClass is the Grid fu…
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Issue #50 identified some unexpected behavior when comparing CPU results with GPU results. The convergence history is different when the same PETSc option set is provided for an MG configuration.
A…
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The branch `sidewalls` is currently under development, where we use cosine transforms in the pressure solver and enforce zero velocity in one of the decomposed directions. Validation appears good for …
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Hi Max,
I'm interested in interfacing Hypre for use of the AMG solver it provides. What's the status of `Hypre.jl`'s support on that front?
Best,
Robert